4-4 Maintenance and Troubleshooting
Locating the Mouse Ball Cover
A – Mouse Ball Cov er
4. T ur n t he mouse over and re move the ball.
5. Clean the mouse as follows:
Clean the mouse ball with tap water and a mild detergent, then dry it
with a lint-free cloth.
Remove any dust and lint from the mouse socket.
6. Replace the mouse ball in its socket.
7. Rep lace the ball cover and turn it counterclockwise until it locks in place.
Troubleshooting
This subsection provides information that helps isolate and repair syste m
malfunctions at the field level. Step-by-step instructions for diagnos ing and
solving system hardware problems are provided. Technical support is available
at 1-888-632-2678.
If disassembly is required, see Section 5, “Disassembly and Reassembly.”
Connector pin assignments are given in Appendix B, “Connector Pin
Assignment s.” Jumper s e ttings are g iven in Appe nd ix C, “Syst em Resour c e s.”

Diagnosing and Solving Problems

One beep indicates that the system has completed its power-on self-test (POST)
test. If intermittent beeping occurs, power off the system and try again. If the
beeping persists, see the “Beep Code Descriptions” table later in this section.
The following table summarizes problems that may develop during system
operation and lists (in sequential order) suggested corrective actions.